boost/libs/hana/example/sequence/searchable.cpp
2018-01-12 21:47:58 +01:00

27 lines
769 B
C++

// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/contains.hpp>
#include <boost/hana/core/is_a.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/find_if.hpp>
#include <boost/hana/optional.hpp>
#include <boost/hana/tuple.hpp>
#include <string>
namespace hana = boost::hana;
using namespace std::string_literals;
int main() {
BOOST_HANA_RUNTIME_CHECK(
hana::find_if(hana::make_tuple(1, '2', 3.3, "abc"s), hana::is_a<std::string>) == hana::just("abc"s)
);
BOOST_HANA_RUNTIME_CHECK(
"abc"s ^hana::in^ hana::make_tuple(1, '2', 3.3, "abc"s)
);
}